Yaesu FT-991A Operating Manual Download Page 10

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T-991

Operating Manual

Accessories & Options

Available Options



For details, see “Installation of Optional Accessories” on page 143 or the catalog.

Reference Microphone

M-1

Lightweight Stereo Headphone

YH-77STA

Remote Control Keypad

FH-2

Linear Amplifier/AC Power Supply

VL-1000/VP-1000

External Automatic Antenna Tuner

FC-40

Others

Hand Microphone

MH-31

A8J

(equivalent to the supplied microphone)

DTMF Hand Microphone

MH-36

E8J

Dual Element Microphone

M-100

Ultra-High-Fidelity Desktop Microphone

MD-200

A8X

Desktop Microphone

MD-100

A8X

Active Tuning Antenna (Automatic Type)

ATAS-120A

Antenna Base Kit

ATBK-100

Active Tuning Antenna (Manual Type)

ATAS-25

Mobile Bracket

MMB-90

External Power Supply (13.8 VDC 23 A)

FP-1023A

(U.S.A. only)

External Power Supply (13.8 VDC 25 A)

FP-1030A

VL-1000

Linear Amplifier Connection Cable

CT-58

Packet Interface Cable

CT-39A

Summary of Contents for FT-991A

Page 1: ...HF VHF UHF All Mode Transceiver FT 991 Operating Manual...

Page 2: ...ecise technology they are prone to develop dead pixels dark dot or pixels that are always on bright dot Please understand that such phenomena do not constitute product defects or malfunctions Rather t...

Page 3: ...xchange send receive station location information The transceiver automatically checks the channel fre quency for registered member stations that are within com municating range The distance and direc...

Page 4: ...50 watts Microphone Amplifier that includes Parametric Equalizer see page 65 The microphone amplifier equalizer feature is equipped with a three stage parametric equalizer that can alter the Low Mid...

Page 5: ...trol Operation 50 IF SHIFT Operation SSB CW RTTY DATA Modes 51 WIDTH IF DSP Bandwidth Tuning SSB CW RTTY DATA Modes 52 NARROW NAR One Touch IF Filter Selection 54 IF NOTCH Filter Operation SSB CW RTTY...

Page 6: ...Using the GM WIRES X Function 119 What is the GM Function 119 Basic Methods to Use the GM Function 119 What is the WIRES X Function 119 RTTY Radio Teletype Operation 120 Example of Connecting RTTY Co...

Page 7: ...ntenna from this radio If not this may result in fire electric shock and equipment failure Do not transmit in crowded places in consid eration of people who are fitted with medical devices such as hea...

Page 8: ...s far away from the antenna as possible during transmission Long term exposure to electromagnetic radiation may have a negative effect on the human body Do not wipe the case using thinner and ben zene...

Page 9: ...g Manual Supplied Accessories DC Power Cord Hand Microphone MH 31A8J Spare Fuse 25A Operating Manual Warranty Card World Map Sticker The illustrations above may vary slightly from the actual accessori...

Page 10: ...0 Others Hand Microphone MH 31A8J equivalent to the supplied microphone DTMF Hand Microphone MH 36E8J Dual Element Microphone M 100 Ultra High Fidelity Desktop Microphone MD 200A8X Desktop Microphone...

Page 11: ...tand forward to raise the front of the transceiver and fold it back against the bottom case to lower the front of the FT 991A Adjusting the Main Tuning Dial Torque The torque drag of the Main Tuning D...

Page 12: ...to return to the radio operation display TIME Sets the time display Touching this button toggles be tween UTC Coordinated Universal Time and the local time When UTC is displayed Z appears on the right...

Page 13: ...ommunication 1 Press and hold the MENU SETUP button 2 Touch MY CALL on the LCD MENU SETUP button LCD Advice The time duration of the initial call sign start up screen display may be changed from the M...

Page 14: ...switch to turn the transceiver on Once the transceiver comes on release the buttons Full Reset Except SETUP settings Use this procedure to restore all Menu and Memory set tings except SETUP settings M...

Page 15: ...l wide range antenna coupler must be used with this antenna type Any antenna to be used with the FT 991A must be fed from the transceiver with 50 Ohm coaxial cable Therefore when using a balanced ante...

Page 16: ...sure to weatherproof the connections to ensure many years of reliable service Use the same type of heavy braided cable for the connections to the station ground bus described below Inside the station...

Page 17: ...es not cover damage caused by application of AC voltage re verse polarity DC or DC voltage outside the specified range of 13 8 V 15 When replacing fuses be certain to use a fuse of the proper rating T...

Page 18: ...Make sure to turn off the power of the transceiver before connecting or disconnecting the microphone Remote Control Keypad FH 2 Installation and Interconnections If the FH 2 plug is removed from the...

Page 19: ...KEY jack and Menu item 012 KEYER TYPE used to select paddle input The KEY jack on the FT 991A utilize Positive keying voltage Key up voltage is approximately 3 3V DC and key down current is approximat...

Page 20: ...en your hands are wet Set the Menu item 141 TUNER SELECT to LAMP Since the ALC cable is connected to the REM ALC jack the optional FH 2 cannot be connected DC 13 8 V CT 58 ALC Cable Option CT 58 Band...

Page 21: ...el as viewed from rear panel RTTY DATA TUN LIN DATA IN GND PTT SHIFT DATA OUT SQL 13V OUT TX GND GND TX D BAND A RX D BAND B BAND C RESET BAND D TX INH as viewed from rear panel as viewed from rear pa...

Page 22: ...ht key DOT DASH COMMON DOT DASH COMMON When connecting an electronic keyer paddle m When connecting a key or other device to the KEY jack use only a 3 contact stereo 3 5 mm phone plug a 2 contact plug...

Page 23: ...Press this button again or touch BACK on the touch panel to close the menu mode screen Press and hold this button for more than 1 second to display the setup screen where you can configure the follow...

Page 24: ...tuner Press the TUNE button briefly again to turn the TUNER indicator off and disable the antenna tuner m Press the TUNE button for about 1 second to start automatic tuning The TUNER indica tor will f...

Page 25: ...ing on the menu mode 040 CLAR MODE SELECT setting this button can work as the TX clarifier for changing only the transmit frequency see page 75 or RX TX clarifier for both receiving and transmitting s...

Page 26: ...usts Speech Processor Gain MONI Adjusts the monitor level DT G DT GAIN Adjusts the input level during data com munication CH D CH DIAL Frequency tuning in the pre pro grammed steps SPEED Adjusts keyin...

Page 27: ...page 42 is in use Menu List Displays the menu item list when making settings in the menu mode Memory List Displays the data saved in the memory channels Function Menu Displays the function menu from w...

Page 28: ...r illuminates when the receiver is active on the memory channel Red Right This indicator illuminates when the transmitter is active on the memory channel Main Band RX TX Indicators Green Left This ind...

Page 29: ...cations DATA IN GND PTT SHIFT DATA OUT SQL TUN LIN Jack Connect the optional external antenna tuner FC 40 or the linear amplifier VL 1000 13V OUT TX GND GND TX D BAND A RX D BAND B BAND C RESET BAND D...

Page 30: ...ebsite When using a USB cable connected to a com puter the transceiver may change to the transmit mode when the computer is started EXT SPKR Jack This is the monaural jack to connect an external speak...

Page 31: ...step working in the same way as the FAST button on the transceiver front panel UP Button Press the UP button to scan the frequency upward Microphone Speak into the microphone in a normal tone of voic...

Page 32: ...emory channel is capable of retain ing a maximum of 50 characters Cursor Buttons When programming the Contest Memory Keyer these buttons are used to move the cursor and select the text characters The...

Page 33: ...nt Speak across the face of the mic from about two inches away DTMF Indicator When the DTMF is transmitted this indicator glows red PTT Switch Press and hold to transmit DTMF Keypad Press a key button...

Page 34: ...anel Antenna jack s See page 15 for details Is your microphone and or key or paddle connected See pages 16 17 for details If using a linear amplifier have all interconnections been successfully comple...

Page 35: ...on 3 The transceiver will start up on 7 000 00 MHz LSB or the previously used operating frequency and normal operation may begin Note To turn power off press and hold in the front panel ON OFF switch...

Page 36: ...ormal and one fast are available for each operating mode Pressing the FAST button en gages the Fast tuning selection see chart be low Main Tuning Dial Knob Tuning Rate Operating Mode 1 Step 1 Dial Rot...

Page 37: ...selection of the memory channel 3 Memory channels 5 01 through 5 10 are pre programmed at the factory with the permitted frequencies in the 5 MHz band and the USB or CW mode is automatically selected...

Page 38: ...s utilized in DX Split work Here is the technique for utilizing the Clarifier 1 Press the CLAR button The RX notation will ap pear in the TFT Display and the programmed offset will be applied to the r...

Page 39: ...once more LOCK Button LOCK Indicators DIMMER The illumination level of the TFT display and LED indicators above the Main Tuning Dial knob may be adjusted via Menu items 007 and 008 MULTI Knob MENU Bu...

Page 40: ...nu mode 2 Rotate the MULTI knob to select Menu item 006 DISPLAY COLOR 3 Touch SELECT on the LCD then rotate the MULTI knob to select from the following colors BLUE default GRAY GREEN ORANGE PURPLE RED...

Page 41: ...ton and then touch 14 on the LCD To individually recall each of the three stored operating states press the BAND button and then touch 14 on the screen repeatedly BAND 14 BAND 14 BAND 14 BAND Button C...

Page 42: ...on of the digital audio signal it becomes more difficult for conversations to be cut off A basic digital mode of C4FM FDMA Voice FR mode Voice full rate mode VW When AMS is ON Red When AMS is OFF Ligh...

Page 43: ...to be cut off A basic digital mode of C4FM FDMA 4 Touch ENTER on the LCD to save the new set ting 466 6 4 3 56 10 5 6 0 2 7 1 07 5 Press the MENU SETUP button or touch BACK on the LCD to exit to norm...

Page 44: ...er to the advice below to select the optimal mode according to your preferences and purposes Advice Touch SWEEP on the LCD to access the Manual mode Each time SWEEP on the LCD is touched a new scan of...

Page 45: ...he LCD to sweep across the band one time and display band conditions Continuous Sweeping Mode Touch and hold SWEEP on the LCD to begin the continuous sweep operation The spectrum scope will start swee...

Page 46: ...you attempt to enter a frequency outside the op erating range of 30 kHz 56 MHz 118 MHz 164 MHz or 420 MHz 470 MHz the microprocessor will ignore the attempt and will return to the previ ous operating...

Page 47: ...p as the main dial When the microphone FST button is pressed the tuning rate increases by a factor of ten in a manner similar to the transceiver front panel FAST button T h e f r e q u e n c y c h a n...

Page 48: ...requency of the IF DSP filter may be moved up or down by adjusting this control IF WIDTH The width of the IF DSP filtering may be adjusted using this control IF NOTCH The IF Notch filter is a high Q n...

Page 49: ...Attenuator circuit touch ATT on the LCD to return the ATT display to the OFF position Advice If the noise level is high or the received signal is extremely strong the incoming signal level can be sup...

Page 50: ...ge low distortion RF preamplifier total gain approx 20 dB IPO Bypasses the RF preamplifier yielding direct feed to the first mixer 1 8 MHz 56 MHz About 10dB About 10dB Note AMP1 does not function belo...

Page 51: ...ding noise is best reduced or eliminated See box below for details Advice The noise attenuation can be selected from 10dB 30dB 50dB via Menu item 024 NB RE JECTION 3 To end Noise Blanker operation tou...

Page 52: ...Touching CONT changes the Contour circuit op eration between ON and OFF The Contour function attenuation and bandwidth can be set in Menu items 112 CONTOUR LEVEL and 113 CONTOUR WIDTH refer to the ins...

Page 53: ...nu list Touch SHIFT to reduce the interference The MULTI knob functions as the SHIFT adjustment knob MULTI Knob F M LIST Button SHIFT indicator SHIFT level indicator 2 Rotate the MULTI knob to the lef...

Page 54: ...h and reduce interference Referring to Figure B you can see the default bandwidth of the SSB mode By rotating the MULTI knob to the left the band width will narrow see Figure A while rota tion of the...

Page 55: ...on the opposite side can be re moved without re introducing the interference previously eliminated in Figure B Advice The WIDTH and SHIFT features are the pri mary tools to use for best interference...

Page 56: ...ore returns the bandwidth control to the WIDTH SHIFT system The factory default bandwidths are F M LIST Button Depends on the WIDTH setting Default Bandwidth ON 200 Hz 1 8 kHz 1 5 kHz 50 500 Hz 500 Hz...

Page 57: ...NOTCH filter touch NOTCH on the TFT display OFF will appear in the display con firming that the NOTCH filter is no longer in opera tion Advice Alternate touches of NOTCH will switch the NOTCH filter...

Page 58: ...50 MHz bands The DNR system is especially effective during SSB operation While DNR is functioning rotate the MULTI knob to adjust the DNR level Any of 15 different noise reduction algorithms can be s...

Page 59: ...ed In this case the S meter will appear to be pegged against the right edge of the analog S meter scale Quick Point Reception frequently can be improved by rotating the RF GAIN knob slightly counter c...

Page 60: ...Knob F M LIST Button APF indicator APF level indicator 3 Rotate the MULTI knob to set the sound volume to a comfortable level Advice The APF bandwidth can be selected from NAR ROW MEDIUM WIDE via the...

Page 61: ...receiver recovery time constant Normally the AUTO selection is satisfactory for most situ ations but in the event of operation on a crowded band where you wish to receive a weak signal you may wish to...

Page 62: ...F QEV 6 7 4 3 6 7 1 5 2 6 7 4 3 1 1 4 Rotate the MULTI knob to adjust the receiver audio response as desired 5 Touch ENTER on the LCD to save the new set ting F QEV 6 7 4 3 6 7 1 5 2 6 7 4 3 1 6 Pres...

Page 63: ...the TFT LED indicators area confirming that transmission is in progress When transmitting in the AM mode set a maxi mum carrier power output of 25 Watts by press ing RF PWR then rotate the MULTI knob...

Page 64: ...uency before transmitting to avoid interference to others who may already be using the frequency Four techniques to implement Transmit Receive con trol are provided on the FT 991A You may choose the t...

Page 65: ...display Quick Point The momentary press of the TUNE button will turn the tuner on and the microprocessor will automati cally select the tuning point closest to the current operating frequency TUNE Bu...

Page 66: ...n frequencies where the SWR exceeds 3 1 A High SWR may indicate a mechanical failure in the feed system and can lead to the generation of spurious signals causing TVI etc About ATU Memories SWR After...

Page 67: ...icrophone to the MIC jack 2 Set the RF output power to minimum value Advice We recommend that you connect a dummy load to one of the Antenna jacks and monitor your signal on a separate receiver to pre...

Page 68: ...utton or touch BACK on the LCD to return to normal operation If you only touch BACK momentarily to exit the setup menu none of the changes you performed will be stored Advice To roll off the excessive...

Page 69: ...1500 Hz OFF 125 PRMTRC EQ3 FREQ 1500 Hz 3200 Hz OFF Parametric Gain 120 PRMTRC EQ1 LEVEL Low 20 dB 10 dB 123 PRMTRC EQ2 LEVEL Mid 20 dB 10 dB 126 PRMTRC EQ3 LEVEL High 20 dB 10 dB Q Bandwidth 121 PRMT...

Page 70: ...R on the TFT display to select COMP Compression meter MULTI Knob F M LIST Button 3 Press the F M LIST button then touch PROC to display the PROC level from 1 to 100 confirming that the Speech Processo...

Page 71: ...z 300 2700 Hz 400 2600 Hz The default is 300 2700 Hz A wider bandwidth will provide greater fidelity A narrow bandwidth will compress the available transmitter power into less spectrum resulting in mo...

Page 72: ...register Advice If you do not press the PTT key see next step with in five seconds the memory storage process will be cancelled 5 Press the microphone PTT switch momentarily The REC icon will glow st...

Page 73: ...2 Press the front panel F M LIST button to reveal the functions list on the TFT LCD display then touch BK IN on the LCD 3 Touch CH1 CH5 on the LCD or press the FH 2 1 5 key whichever register you jus...

Page 74: ...e The VOX Gain may be adjusted to prevent acciden tal transmitter activation in a noisy environment To adjust the VOX Gain 1 Activate the VOX circuitry if necessary 2 Press the MENU SETUP button to en...

Page 75: ...eration The Anti Trip setting adjusts the level of negative re ceiver audio feedback to the microphone to prevent receiver audio from activating the transmitter via the microphone This setting can als...

Page 76: ...ob F M LIST Button MONI Monitor indicator MONI Monitor level indicator 3 During transmission rotate the MULTI knob to ad just the audio level in the Headphones or speaker Clockwise rotation of this kn...

Page 77: ...exit from TX Clarifier operation press the CLAR button once more The TX icon will disappear from the display Advice When listening to a pile up calling a DX station in order to find the station curre...

Page 78: ...Main Tuning Dial knob While pressing the TXW button during split opera tions the frequency of transmit on VFO B can be changed During Split operation it is also possible to set VFO A and VFO B to diff...

Page 79: ...Manual Transmitter Convenience Features 4 Touch ENTER button to save the new setting 6 616 37 2 5 6 4 3 1 4 72 5 M 1 5 Press the MENU SETUP button or touch BACK on the LCD to exit to normal operation...

Page 80: ...k in operation However using Menu item 056 CW BK IN TYPE you may change this setup for full break in QSK operation whereby the switching is quick enough to hear incoming signals in the spaces between...

Page 81: ...be heard during the spaces between dots and dashes unless the sending speed is extremely slow Full break in Full break in also known as Full QSK involves very fast switching between transmit and recei...

Page 82: ...e keyer paddle is pressed the transmitter will automatically be activated and the CW charac ters or a string of dots or dashes will be transmit ted When the keyer paddle is released transmission will...

Page 83: ...Keyer operation Using the Built in Electronic Keyer Setting the Keyer Weight Dot Dash Ratio This Menu item may be used to adjust the dot dash ratio for the built in Electronic Keyer The default weight...

Page 84: ...r but dashes must be sent manually ELEKEY A A code element Dot or Dash side is transmitted upon releasing both sides of the paddle ELEKEY B Releasing both sides of the paddle transmits the currently g...

Page 85: ...engage the Menu 2 Rotate the MULTI knob to select Menu item 013 KEYER DOT DASH 3 Press the SELECT button then rotate the MULTI knob to select REV MULTI Knob MENU SETUP Button 9 6 014 4 6 9 2 4 6 5 1 4...

Page 86: ...g and holding SPOT the tone is output from the speaker Advice In a tough DX pile up you may actually want to use the SPOT system to find a gap in the spread of calling stations instead of zeroing in p...

Page 87: ...time as you prefer for comfortable opera tion 5 When the adjustments are complete touch ENTER on the LCD to save the new setting 9 0 O G U E 5 9 0 6 2 9 1 1 6 7 1 6 Press the MENU SETUP button or touc...

Page 88: ...tech nique to Keyer entry 018 CW MEMORY 1 019 CW MEMORY 2 020 CW MEMORY 3 021 CW MEMORY 4 022 CW MEMORY 5 3 Touch SELECT on the LCD then rotate the MULTI knob to set the selected CW Memory Reg ister...

Page 89: ...to select Menu item 017 CONTEST NUMBER The current contest num ber appears on the TFT display 3 Touch SELECT on the LCD then rotate the MULTI knob to set the Contest Number to the desired value Advic...

Page 90: ...echnique on a particular memory register the Menu Mode Setting is set to TEXT Contest Memory Keyer MessageMemoryProgramming UsingyourPaddle 1 Set the operating mode to CW 2 Set BK IN on the LCD to Off...

Page 91: ...select the CW Memory Register into which you wish to store the message we are now setting the message entry technique to Text entry 018 CW MEMORY 1 019 CW MEMORY 2 020 CW MEMORY 3 021 CW MEMORY 4 022...

Page 92: ...d on the LCD to erase a letter at the left of the cursor 7 When you have completed the creation of the text touch ENT on the LCD Advice Use the FH 2 and keys to set the cursor posi tion and use the FH...

Page 93: ...to input then touch EDIT The text input screen will appear E E J J E J _ _ _ 4 Touch a key on the LCD to enter the letters num bers or symbols of the desired text 5 Repeat step 4 to program the remai...

Page 94: ...input or via the Text input method The time delay between message repeats may be set anywhere between 1 and 690 seconds 1 240 sec 1 sec step or 270 690 sec 30 sec step via Menu item 015 BEACON INTERV...

Page 95: ...TI knob or touch CH DIAL repeatedly to select the frequency steps in the following order You can also switch the frequency steps by touching CH DIAL repeatedly 2 5kHz 5kHz 9kHz 10kHz 12 5kHz 25kHz 2 5...

Page 96: ...ne PTT switch to begin transmission You will observe that the frequency has shifted to correspond to the programming set up in the previous steps Speak into the microphone in a normal voice level Rele...

Page 97: ...e to access the repeater The transmitter will automatically be activated and a 1750 Hz audio tone will be superimposed on the carrier Once access to the repeater has been gained you may release the T...

Page 98: ...matching DCS code is received The receiver squelch will then open in response to the reception of the required code 1 Press the MODE button and then touch the corre sponding key on the LCD to select t...

Page 99: ...the microphone or touch the MOX on the LCD to change the trans ceiver to transmit mode then speak into the micro phone Release the PTT button or touch the MOX again if you pressed MOX to enter the tr...

Page 100: ...tandby Beep function ON OFF follow the procedure below 1 Press the MENU SETUP button to enter the Menu mode 2 Rotate the MULTI knob to select Menu item 091 STANDBY BEEP 3 Touch SELECT on the LCD then...

Page 101: ...0 I Note The DG ID of memory 00 is fixed at TX 00 RX 00 and cannot be changed The transmit and receive DG ID default number is set to 00 Normally for general operation set the DG ID number to 00 for b...

Page 102: ...used is displayed every 3 seconds If the DG ID memory is 00 the DG ID memory tag is not displayed Note Normally for general operation set the DG ID list register number to 00 DG ID number 00 can not b...

Page 103: ...peater operation Deactivate the repeater operation Set the repeater to C4FM mode Set the transmit power Voice Message Control Rec Play Stop Set the Emergency Call 1 Press the MODE button then touch C4...

Page 104: ...MULTI knob to select the call sign to be deleted 4 Touch DELETE The confirmation screen is displayed D P I D L I S T YA U S E 01 DELETE 5 Touch OK to delete the call sign When deleting in the DP ID li...

Page 105: ...2L 2U P 3L 3U QMB Quick Memory Bank The Quick Memory Bank consists of five memories independent from the regular and PMS memories The QMB mem ories can quickly store operating parameters for later rec...

Page 106: ...select the memory chan nel that you wish to store the data on 4 Press and hold in the A M button for one second to store the frequency and other data into the selected memory channel A double beep wil...

Page 107: ...the home channel was recalled 1 Press the F M LIST button then touch HOME on the LCD The home channel will be shown in the display F M LIST Button BAND Button 2 Press the BAND button then touch ENT 3...

Page 108: ...you wish to append a label 3 Touch TAG on the LCD A cursor will appear on the first digit F M LIST Button MULTI Knob E J E J 9 7 9 7 4 Touch a key on the LCD to enter the letters num bers or symbols o...

Page 109: ...nto memory you can check the current contents of that channel without the danger of over writing the channel accidentally 1 Press the A M button momentarily The data stored in the currently selected m...

Page 110: ...ing Dial knob you will now ob serve that the memory channel frequency is chang ing Advice During Memory Tune operation you may change operating modes and engage the offset Clarifier if desired 5 Press...

Page 111: ...eive frequency and other data into the selected memory channel A double beep will con firm that the A M button was held in long enough and the data is registered 5 Enter the transmit frequency mode an...

Page 112: ...button to enter the Menu mode 2 Rotate the MULTI knob to select Menu item 034 MEM GROUP 3 Touch SELECT on the LCD then rotate the MULTI knob to set this Menu item to ENABLE the default setting is DIS...

Page 113: ...tton then touch GRP on the LCD The GRP icon will appear on the dis play F M LIST Button V M Button MULTI Knob 3 Rotate the MULTI knob to select the desired Memo ry Group 4 Touch MCH on the LCD The MCH...

Page 114: ...n the LCD to exit to normal operation Emergency com munication on this spot frequency is now possible 6 Press the V M button as necessary to enter the Memory mode 7 Press the F M LIST button then touc...

Page 115: ...stop however 5 To cancel scanning press the PTT switch or touch SCAN on the LCD Advice If the scan has paused on a signal pressing the mi crophone UP or DWN button or touching SCAN on the LCD will ca...

Page 116: ...or DWN button or touching SCAN on the LCD will cause scanning to resume instantly If you press the microphone PTT button during scanning the scanner will halt at once However pressing the PTT button...

Page 117: ...thin the P 1L P 1U limits until the V M button is pressed again to return to memory channel or VFO operation 7 Press and hold in the microphone UP or DWN but ton for one second or press the F M LIST b...

Page 118: ...tructions About the Error Depending on the surrounding environment of the receiver location an error of several hundred meters may oc cur Although positioning is possible using only three satellites d...

Page 119: ...e external device into the GPS CAT jack on the rear panel 3 Press and hold in the front panel ON OFF switch to turn the transceiver on 4 Press the MENU SETUP button to enter the Menu mode 5 Rotate the...

Page 120: ...nually 1 Press and hold the MENU SETUP button 2 Touch LAT LON on the LCD 3 Touch LAT on the LCD 5 Touch LON on the LCD 6 Enter the longitude then touch ENT followed by BACK 7 Press the MENU SETUP butt...

Page 121: ...ing frequency 3 Press the F M LIST button then touch GM on the LCD An explanation of the two methods of starting the GM operation is given on the following pages Refer to the separate Operating Manual...

Page 122: ...he rear panel RTTY DATA terminal Be sure to read the in struction manual of the TU device before connecting it Advice Adjust the RTTY data output level using Menu item 099 RTTY OUT LEVEL TU RTTY DATA...

Page 123: ...s in the dis play 3 Press the MENU SETUP button The Menu list will appear in the display Rotate the MULTI knob to select Menu item 060 PC KEYING Touch SE LECT on the LCD then rotate the MULTI knob to...

Page 124: ...NTER on the LCD Press the MENU SETUP button or touch BACK on the LCD to exit to normal operation Note All other SSB and DATA settings remain at their de fault Connect a USB Cable from the FT 991A USB...

Page 125: ...LECT MIC 071 DATA PTT SELECT RTS 072 DATA PORT SELECT USB 6 Touch ENTER on the LCD then press the MENU SETUP button or touch BACK on the LCD to exit to normal operation Note All other SSB and DATA set...

Page 126: ...u item Advice Touch BACK on the LCD to cancel the setting 2 8 0 8 0 4 1 6 0 F 4 When the adjustment or setting is completed touch ENTER on the LCD to save the new setting then press the MENU SETUP but...

Page 127: ...SAGE TEXT 023 NB WIDTH 1 3 10msec 3msec 024 NB REJECTION 10 30 50dB 30dB 025 NB LEVEL 0 10 5 026 BEEP LEVEL 0 100 50 027 TIME ZONE 12 00 0 00 14 00 0 00 028 GPS 232C SELECT GPS1 GPS2 RS232C GPS1 029 2...

Page 128: ...PKT PTT SELECT DAKY RTS DTR DAKY 077 FM PKT PORT SELECT DATA USB DATA 078 FM PKT TX GAIN 0 100 50 079 FM PKT MODE 1200 9600 1200 080 RPT SHIFT 28MHz 0 1000kHz 10kHz step 100kHz 081 RPT SHIFT 50MHz 0...

Page 129: ...Q2 BWTH 1 10 10 125 PRMTRC EQ3 FREQ OFF 1500 3200 100 step OFF 126 PRMTRC EQ3 LEVEL 20 0 10 5 127 PRMTRC EQ3 BWTH 1 10 10 128 P PRMTRC EQ1 FREQ OFF 100 700 100 step 200 129 P PRMTRC EQ1 LEVEL 20 0 10...

Page 130: ...ckground color of the VFO A fre quency display field Available Values BLUE GRAY GREEN ORANGE PURPLE RED SKY BLUE Default Setting BLUE Description Sets the background color of the VFO A frequency displ...

Page 131: ...the Dot signal 014 CW WEIGHT Function Adjusts the keyer CW weight Available Values 2 5 4 5 Default Setting 3 0 Description Sets the Dot Dash ratio for the built in electronic keyer 015 BEACON INTERVAL...

Page 132: ...RY 4 TEXT Use the optional FH 2 or the touch panel to enter text page 89 MESSAGE Use the keyer to register text to the contest memory keyer page 86 022 CW MEMORY 5 Function Selects the registration me...

Page 133: ...e the memory channels into 6 groups 035 QUICK SPLIT FREQ Function Selects the amount of frequency offset when the Quick Split feature is enabled Available Values 20 0 20kHz 1kHz step Default Setting 5...

Page 134: ...uency cutoff audio fil ter in AM mode The cutoff frequency can be set at 50 Hz increments between 700 Hz and 4000 Hz 044 AM HCUT SLOPE Function Sets the slope of the high frequency cutoff au dio filte...

Page 135: ...ing while operating SSB on 50 MHz but not HF ON Enables CW keying while operating SSB on all TX bands 056 CW BK IN TYPE Function Sets the CW brake in function Available Values SEMI FULL Default Settin...

Page 136: ...lues OFF 100Hz 1000Hz 50Hz step Default Setting 300Hz Description This is the low frequency cutoff audio filter in DATA mode The cutoff frequency can be set at 50 Hz increments between 100 Hz and 1000...

Page 137: ...TTY DATA jack pin 3 on the rear panel DTR Controls the transmit from the USB vir tual COM DTR ports RTS Controls the transmit from the USB vir tual COM RTS ports 077 FM PKT PORT SELECT Function Select...

Page 138: ...on stations when using the GM function Available Values km mile Default Setting mile 090 AMS TX MODE Function Sets the operation of the AMS function Available Values AUTO MANUAL DN VW ANALOG Default S...

Page 139: ...TTY SHIFT FREQ Function Sets the shift width for RTTY mode Available Values 170 200 425 850 Hz Default Setting 170Hz Description Sets the shift width for RTTY mode 101 RTTY MARK FREQ Function Sets the...

Page 140: ...lter 112 CONTOUR LEVEL Function Adjusts the GAIN of the CONTOUR circuit Available Values 40 0 20 Default Setting 15 Description Sets level of the attenuation or the gain of the CONTOUR circuit 113 CON...

Page 141: ...100Hz step Default Setting OFF Description Selects the center frequency setting for the high range of the 3 band parametric micro phone equalizer between 1500 Hz and 3200 Hz 126 PRMTRC EQ3 LEVEL Func...

Page 142: ...Sets the gain for the high range of the 3 band parametric microphone equalizer when the speech processor is activated Available Values 20 0 10 dB Default Setting 0 Description Activates when the speec...

Page 143: ...t that the data signal reliably engages the transmitter and also releases the transmit when there is no data signal 147 DATA VOX DELAY Function Sets the VOX DELAY time while operating VOX during the s...

Page 144: ...th the most recently con nected destination station ACTIVITY Displays the list sorted in descending order beginning with the room with the most connected nodes Nodes are listed after rooms 153 WIRES D...

Page 145: ...thin a 2 1 SWR on any amateur band frequency 160 through 6 meters typically in less than eight seconds Transmitter power required for matching may be as little as 4 60 Watts and matching settings are...

Page 146: ...ppear in the TFT display 3 Press and hold the TUNE button for one second to begin automatic tuning The transmitter will be engaged and the TUNER icon will blink while tuning is in progress 4 Tuning wi...

Page 147: ...supply switch first before connecting the cables Grounding is required for the ATAS 120A Make sure the antenna base is in contact with the car body to ensure proper grounding Note Do not plug or unpl...

Page 148: ...is carried out automati cally 1 Press the TUNE button to begin automatic tuning The transmitter will be engaged and the ATAS icon will blink while tuning is in progress Press the TUNE button to stop...

Page 149: ...ing points as a guide to find a suitable installation location that will allow the transceiver to be easily operated Please choose a location that will not affect the op eration of the air bag system...

Page 150: ...nsumption Approx Rx no signal 1 8 A Rx signal present 2 2 A Tx 23 A HF 50 MHz 100 W 15 A 144 430 MHz 50 W Supply Voltage DC 13 8 V 15 Negative Ground Dimensions WxHxD 9 0 x 3 2 x 10 0 229 x 80 x 253 m...

Page 151: ...ranges not listed Squelch Sensitivity TYP SSB CW AM 1 0 V 1 8 30 MHz 50 54 MHz AMP2 ON 1 0 V 144 148 MHz 430 450 MHz FM 0 35 V 28 30 MHz 50 54 MHz AMP2 ON 0 125 V 144 148 MHz 430 450 MHz There is no...

Page 152: ...er Operation 25 CLAR VFO B Knob 23 Clock 25 Connection of Antenna and Power Cables 15 Connection of Headphone 16 Connection of Microphone 16 Connection of Remote Control Keypad 16 Contest Memory Keyer...

Page 153: ...MMB 90 147 MODE Button 21 MONITOR 74 More Frequency Navigation Techniques 44 Mounting Bracket MMB 90 147 MULTI Knob 21 MULTI Knob Operations 24 N NAR 54 NARROW NAR 54 NB 49 Noise Blanker 49 NOTCH Filt...

Page 154: ...cation Mode 41 Tone Squelch Operation 96 Transmitter Convenience Features 70 TUNE Button 22 TUN LIN Jack 27 TX Indicator Red 26 TXW Button 22 U USB Jack 28 Using the Automatic Antenna Tuner 63 Using t...

Page 155: ...radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception whi...

Page 156: ...Page 154 FT 991 Operating Manual Note...

Page 157: ...is not permitted without authorization Users should consult their local spectrum management authority for licensing conditions applicable to this equipment AT BE BG CY CZ DE DK ES EE FI FR UK EL HR H...

Page 158: ...oduced without the permission of YAESU MUSEN CO LTD YAESU MUSEN CO LTD Tennozu Parkside Building 2 5 8 Higashi Shinagawa Shinagawa ku Tokyo 140 0002 Japan YAESU USA 6125 Phyllis Drive Cypress CA 90630...

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Summary of Contents for FT-991A

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Yaesu FT-991A, Operating Manual, Page: 10 / 158

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Summary of Contents for FT-991A

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